2 Pack, 4-1/2", Jumbo Koter Super Twist Roller Covers, Professional Fabric Offers Excellent Coverage & Finish Quality, Bonded To A 3/4" Core, Polyamid Yarn Fabric Has Super High Capacity For Use With All Flat Paints, Stains, & Sizings, For Use Only With Jumbo Koter Cage Frames, True Value #419-671 Or #420-505.